Merge "***Disables swizzles to 565. We may want to enable swizzles to 565 for images that are encoded in a format similar to 565, however, we do not want to take images that decode naturally to kN32 and then convert them to 565." into master-skia

https://skia.googlesource.com/skia/+/438b2adefb9e9213e0ddaf0609405d3087a1cf0a

Change-Id: I589cedf3ca05e5dea28865f130230040519b0f72